Senior Design Engineer – Thermal CFD Simulation (BESS)

Location: Bengaluru, India

Experience: 8–12 Years

Function: BESS Product Engineering – Simulation & Analysis

About The Role

We are seeking a Senior Design Engineer – Thermal CFD Simulation to lead advanced thermal modeling and CFD simulations for utility?scale and commercial & industrial Battery Energy Storage Systems (BESS).

In this role, you will own the virtual thermal validation of battery systems, enclosures, and cooling architectures and real system development. You will play a critical role in guiding design decisions, reducing physical test iterations, and improving safety, reliability, and performance of stationary storage products.

Key Responsibilities

Thermal Modeling & CFD Simulation

Develop and execute CFD modelsto analyze:
Battery module and rack thermal behavior
Container?level airflow and liquid cooling performance
Hot?spot formation and temperature gradients
Perform steady?state and transient thermal simulations under:
Normal operation
High?power and long?duration load profiles




Environmental extremes and fault scenarios
Design Support & Optimization

Support thermal and mechanical teams with simulation?driven design guidance.
Electro – Mechanical component thermal Analysis
Evaluate and compare cooling concepts and layouts using CFD.
Analyse flow patterns and temperature distributions to optimize cooling, reduce hotspots, and improve system efficiency.
Optimize airflow, ducting, cooling plate, and cold?plate designs for performance and efficiency.
Provide actionable recommendations balancing performance, cost, and manufacturability.

Correlation & Validation

Correlate CFD results with experimental and field test data.
System level -Model Generation.
Improve model accuracy through continuous validation.
Support thermal design verification during FAT, SAT, and commissioning phases.

System?Level Analysis

Contribute to system?level thermal trade studies for:
Utility?scale containerized BE

📌 Senior CFD Simulation Design Engineer BESS (Bengaluru)
🏢 Larsen and Toubro
📍 Bengaluru